Finding the Fourth Proportional to 131,580.34, 181,580.73 and 71,150.83

Step by Step Solution

1. Step 1: Write the proportion equation
   131,580.34 : 181,580.73 = 71,150.83 : x
2. Step 2: Convert to fraction form
   131,580.34/181,580.73 = 71,150.83/x
3. Step 3: Cross multiply
   131,580.34x = 181,580.73 × 71,150.83
4. Step 4: Simplify right side
   131,580.34x = 12,919,619,651.51
5. Step 5: Solve for x
   x = 12,919,619,651.51/131,580.34
6. Step 6: Final answer
   x = 98,188.07